00001 /*---------------------------------------------------------------------------*\ 00002 ========= | 00003 \\ / F ield | OpenFOAM: The Open Source CFD Toolbox 00004 \\ / O peration | 00005 \\ / A nd | Copyright (C) 1991-2009 OpenCFD Ltd. 00006 \\/ M anipulation | 00007 ------------------------------------------------------------------------------- 00008 License 00009 This file is part of OpenFOAM. 00010 00011 OpenFOAM is free software: you can redistribute it and/or modify it 00012 under the terms of the GNU General Public License as published by 00013 the Free Software Foundation, either version 3 of the License, or 00014 (at your option) any later version. 00015 00016 OpenFOAM is distributed in the hope that it will be useful, but WITHOUT 00017 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 00018 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 00019 for more details. 00020 00021 You should have received a copy of the GNU General Public License 00022 along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>. 00023 00024 Global 00025 CourantNo 00026 00027 Description 00028 Calculates and outputs the mean and maximum Courant Numbers. 00029 00030 \*---------------------------------------------------------------------------*/ 00031 00032 scalar maxAlphaCo 00033 ( 00034 readScalar(runTime.controlDict().lookup("maxAlphaCo")) 00035 ); 00036 00037 scalar alphaCoNum = 0.0; 00038 scalar meanAlphaCoNum = 0.0; 00039 00040 if (mesh.nInternalFaces()) 00041 { 00042 surfaceScalarField alpha1f = fvc::interpolate(alpha1); 00043 surfaceScalarField alpha2f = fvc::interpolate(alpha2); 00044 00045 surfaceScalarField SfUfbyDelta = max 00046 ( 00047 pos(alpha1f - 0.01)*pos(0.99 - alpha1f), 00048 pos(alpha2f - 0.01)*pos(0.99 - alpha2f) 00049 )*mesh.surfaceInterpolation::deltaCoeffs()*mag(phi); 00050 00051 alphaCoNum = max(SfUfbyDelta/mesh.magSf()) 00052 .value()*runTime.deltaT().value(); 00053 00054 meanAlphaCoNum = (sum(SfUfbyDelta)/sum(mesh.magSf())) 00055 .value()*runTime.deltaT().value(); 00056 } 00057 00058 Info<< "Interface Courant Number mean: " << meanAlphaCoNum 00059 << " max: " << alphaCoNum << endl; 00060 00061 // ************************************************************************* //
